docs: def get_session(self):
          """Create Session to store credentials.
  
          Returns
              (Session)
                  A Session object with OAuth 2.0 credentials.
          """
          response = _request_access_token(
              grant_type=auth.CLIENT_CREDENTIALS_GRANT,
              client_id=self.client_id,
              client_secret=self.client_secret,
              scopes=self.scopes,
          )
  
          oauth2credential = OAuth2Credential.make_from_response(
              response=response,
              grant_type=auth.CLIENT_CREDENTIALS_GRANT,
              client_id=self.client_id,
              client_secret=self.client_secret,
          )
  
          return Session(oauth2credential=oauth2credential)